OpenTechnical

OT-2026-000057619

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057619) never changes.

Identity and time

Publication numberOT-2026-000057619 · never reused
Internal UUID01a0ae88-2694-79e6-9098-010c2efd206e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057619
StatusPUBLIC

Content hashes

Canonical text30fe3aaa174b76d9749d588bdb03e5cb3946fed8062c43067c7dccf7b8e5449f
Markdown233de6e3be150f3f93717480c455c50088a999d975e6b43b500d40977011ad51
PDF
Publication pagef6d0804b42eb569e6787049e1986ed2e21f16dd984a3b50c8164c5977d2bc9b3
Manifest4faaed41cdefa7ef249411b6feef314c03f96386881480eaec95a1919ad6dea1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturentvDFHHaYbbjTsWWXn7iPj3bF0WwOVAqoTjKR2LigpJMz2doGvlH0Fipy5lseux9PIOTR9UG3WhQgBnrEeUPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:10.646107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057619
observed f6d0804b42eb569e6787049e1986ed2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.626902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057619/manifest.json
observed 4faaed41cdefa7ef249411b6feef314c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.610401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057619/publication.md
observed 233de6e3be150f3f93717480c455c500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.590732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057619/publication.txt
observed 30fe3aaa174b76d9749d588bdb03e5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.